I 



474 



XLV. HALOKAGE.£. [IMorOfJU. 



Glabrous. Calyx-lobes and petals 4 ; stamens 8 ; styles and 



ovules lor 2. Fruit 8 -ribbed . l.H.scopamu 



Leaves bordered with minute tooth-like points. Calyx-lobes , , , 



and petals 4 ; styles and ovules 2 or 3. 'Fruit smooth , 8. H. aculeolata. 



Styles and ovules 4. 



Slightly hairy. Calyx-lobes cordate. Ovary acutely ^- ^ „ . .. 



angled • ^* MJohosa. 



Glabrous. Calyx-lobes almost cordate. Fruit dcpressed- 



ijlobular, almost spongv, not angled. Flowers minute . 10. IL platf/carpa. 

 Glabrous. Leaves liuear'-lanceolate, the teeth short . . • 2. //. mucronaia. 

 Eastern species. Glabrous or scabrous. Styles and ovules 4. 



Leaves nearly sessile. Flowers mostly solitary. ,, rr * i. n^ 



Fruit ovoid-dobular, often muricate, not angled . . . .W.E.ceraio-phyUa. 

 Fruit acutely angled .- \%, H, acuiangula. 



Leaves lanceolate, distinctly petiolate.- Flowers clustered. . ^ ^ ^ 



Fruit muricatc and angled . . . . . \4». E, odoniocarsa. 



Leaves liuear to oblong, entire or minutely toothed, thoSe of barren 



branches often opposite. i q rr t „^r;r 



Calyx-lobes, petals, styles, and ovules mostly 3 ; stamens 6 . .1^. H- '^-^-^^^'/V 

 Calyx-lobes, petals, styles, and ovules 4 i stamens 8 . . ^ . \\. E, ceraioi^hyUa. 



Series 2. Oppositifoli3e.-^/^m-/^«r^^ all opposite or rarely the uppermost Memaie 

 {ornearhj all in H. pusiUa). FloraUeaves or bracts alternate or rarely the lowest oppo 

 site. 



Styles and ovules 2. Leaves lanceolate. Flowers mostly clustered. 



Leaves serrate --...- lo. . 



serra. 



Leaves 



entire 1^. H.glauca. 



Styles and ovules 4. -m 



Leaves distinctly petiolate, lanceolate or oblong, serrate. Flowers 



mostly clustered. 



Leaves broadly lanceolate or oblong. Fruit ovoid, not inflated, ^ _. , , 

 . , . • . 1 ° ■ . 17. ^. alala. 



terete or 4 -winged •.*.**, 



Leaves narrow-lanceolate. Fruit 4-angled, the epicarp inflated 



and connected with the endocarp by a loose network . . . 18. n. racem 

 Leaves nearly sessile (except in //. nodulosa), FlowerS soli- 

 tary or rarely 2 together (clustered in //. stricta and E, 



lanceolata), 

 ■Western species. Flowers minute, Eaccmcs paniculate (ex- 

 cept in E, lanceolatay. 

 Hirsute with spreading hairs. tq # toiundijolia. 



Leaves broadly ovate-cordate, regularly toothed . • * ' g^" ly-' ...^/^ 

 Leaves obovatc-oblong or lanceolate, almost entire . . . /iU. -"• ' 

 Glabrous or with a few scattered hairs. 



Leaves few, narrow-linear, scarcely toothed. Bracts mi- 

 nute or none. 

 Tall and erect. Leaves \ to 1 in. long. RacemeS pa- ^ a7itc^l<^^a. 



nicnlate * ' ' i' .' 



SmaU and slender. Leaves small and few, mostly alter- 



nate. Racemes simple ' j 't> 



Leaves ovatc-lanccolate or obloiig, deeply toothed, Ka- 



cemes flexuose. Bracts often as long as the flowers. ^ intricaia. 



Fruit globular d" ' 



Leaves petiolate, oblong, obscurely toothed, Eaccmes 



flexuose. Bracts petiolate. Fruit urceolate, muricate, ^ ^^odulosa. 



with a smooth neck ' 



Leaves oblong or cuneate, nearly entire. Racemes fiU- ^ tricltostachs^^ 



form, paniculate. Bracts minute or none . . • • * ^^• 

 Leaves lanceolate or oblong, entire. " Racemes slender, lanceoM^' 



simple. Bracts longer than the minute flowers . . ^o* -»• 



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